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Huawei HCIE-Datacom H12-891_V1.0-ENU

H12-891_V1.0-ENU

Exam Code: H12-891_V1.0-ENU

Exam Name: HCIE-Datacom V1.0

Updated: Sep 12, 2026

Q & A: 611 Questions and Answers

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Huawei H12-891_V1.0-ENU Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: WAN Interconnection Network Planning and Deployment8%- SD-WAN Solution
  • 1. Overlay and Underlay Design
    • 2. Huawei SD-WAN Components
      • 3. Policy and Traffic Steering
        - WAN Architecture
        • 1. Traditional WAN Technologies
          • 2. SD-WAN Architecture
            Topic 2: Network Automation17%- Telemetry and Monitoring
            • 1. Telemetry Principles
              • 2. Real-time Data Collection
                - Huawei Automation Tools
                • 1. Scripting and Development
                  • 2. iMaster NCE
                    - Automation Basics
                    • 1. YANG and NETCONF
                      • 2. Network Management Protocols
                        • 3. RESTCONF and gRPC
                          Topic 3: Campus Network Planning and Deployment23%- CloudCampus Deployment
                          • 1. O&M and Troubleshooting
                            • 2. Controller and Device Management
                              • 3. Service Provisioning
                                - Campus Network Architecture
                                • 1. CloudCampus Solution Architecture
                                  • 2. Traditional Campus Architecture
                                    - Campus Network Design
                                    • 1. Access, Aggregation and Core Layer Design
                                      • 2. WLAN Integration
                                        • 3. Network Segmentation and Isolation
                                          Topic 4: Bearer WAN Planning and Deployment15%- Bearer WAN Architecture
                                          • 1. CloudWAN Solution Architecture
                                            • 2. Carrier-grade Network Requirements
                                              - CloudWAN Technologies
                                              • 1. High Reliability Design
                                                • 2. SRv6
                                                  • 3. Network Slicing
                                                    - Deployment and Optimization
                                                    • 1. Planning Principles
                                                      • 2. Performance Optimization
                                                        Topic 5: Advanced Routing and Switching Technology37%- Advanced Routing Protocols
                                                        • 1. OSPF and OSPFv3
                                                          • 2. BGP
                                                            • 3. IS-IS
                                                              • 4. IPv6 Transition Technologies
                                                                - MPLS and VPN Technologies
                                                                • 1. MPLS Basics
                                                                  • 2. Traffic Engineering
                                                                    • 3. MPLS L3VPN/L2VPN
                                                                      - Advanced Switching Technologies
                                                                      • 1. VXLAN and EVPN
                                                                        • 2. Multicast Protocols
                                                                          • 3. High Availability Technologies
                                                                            - QoS and Security
                                                                            • 1. QoS Mechanisms
                                                                              • 2. Advanced Security Technologies

                                                                                Huawei HCIE-Datacom V1.0 Sample Questions:

                                                                                Question #1

                                                                                As shown in the figure, R1, R2, and R3 run OSPP at the same time and declare their respective ring ports, as described below is the error.

                                                                                A. R2 you can make Efilter in Area 0. The import command to filter the loopback route for R3 on
                                                                                B. R2, you can use the filter po y export command to filter R3's loopback route
                                                                                C. RI can make Efilter-policy import filter the loopback route for R3
                                                                                D. RI, you can use the Make Efilter export command in Area 1 to filter loopback routes for R3


                                                                                Question #2

                                                                                The following about the Router-LSA of OSPFv3 is correct? (Single choice questions).

                                                                                A. When LS type= Ox0001 in the head of LSA, the data area representing LSA is Router-LSA
                                                                                B. The router-LSA data area contains the Link-Local address
                                                                                C. Similar to OSPFv2, the Option field exists in the header of LSA, not in the data area of Router-LSA
                                                                                D. The router-LSA data area contains the Interface ID of the neighbor on this side


                                                                                Question #3

                                                                                As shown in the figure, as shown, as the AS10 has two paths to access THEA1, the optimal route passed from the 4S23 by default is now sprinkled with S00 to ass4O. The odds belt wins even more worrying. Therefore, in the R2 configuration as follows, after the completion of the coordination, it is found that the most worrying route has not changed, and some operations can be adjusted to make the configuration
                                                                                ??[ R2]jpas-path-fiter l permit "4D0& [2]pouteplicy med permit node 10[R2-routepolicyli-match aspath-ilterl[R2-oute-policylapplycoast.20

                                                                                A. Configure destiny-med under the BGP process for R1
                                                                                B. Configure compare-di fferent-as-med under the BGP process of Rl
                                                                                C. Configure compare-di fferent-as-med under the BGP process for R2
                                                                                D. Configure the targeted-med under the BGP process for R2


                                                                                Question #4

                                                                                Compared to IPV4 multicast, which of the following descriptions is the characteristic of IP6 multicast?

                                                                                A. IPv6 multicast load sharing extends the multicast routing rules and is completely independent of RPF check
                                                                                B. The first 8bit IPV6 multicast address is always FF(11111111).
                                                                                C. IPv6 multicast does not contain MSDP and dense mode
                                                                                D. IPv6 multicast clients use IGMPv3 to join multicast groups


                                                                                Question #5

                                                                                In broadcast networks, elections to DIS begin only after a neighbor relationship has been established

                                                                                A. True
                                                                                B. False


                                                                                Solutions:

                                                                                Question #1
                                                                                Answer: B
                                                                                Question #2
                                                                                Answer: D
                                                                                Question #3
                                                                                Answer: A,B
                                                                                Question #4
                                                                                Answer: B
                                                                                Question #5
                                                                                Answer: A

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